20053071680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1209

約数の個数: 168

約数和(自身を含む): 50197222440

約数和(自身を除く): 30144150760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 155, 160, 244, 248, 305, 310, 320, 488, 496, 610, 620, 961, 976, 992, 1069, 1220, 1240, 1891, 1922, 1952, 1984, 2138, 2440, 2480, 3782, 3844, 3904, 4276, 4805, 4880, 4960, 5345, 7564, 7688, 8552, 9455, 9610, 9760, 9920, 10690, 15128, 15376, 17104, 18910, 19220, 19520, 21380, 30256, 30752, 33139, 34208, 37820, 38440, 42760, 58621, 60512, 61504, 65209, 66278, 68416, 75640, 76880, 85520, 117242, 121024, 130418, 132556, 151280, 153760, 165695, 171040, 234484, 260836, 265112, 293105, 302560, 307520, 326045, 331390, 342080, 468968, 521672, 530224, 586210, 605120, 652090, 662780, 937936, 1027309, 1043344, 1060448, 1172420, 1304180, 1325560, 1875872, 2021479, 2054618, 2086688, 2120896, 2344840, 2608360, 2651120, 3751744, 4042958, 4109236, 4173376, 4689680, 5136545, 5216720, 5302240, 8085916, 8218472, 9379360, 10107395, 10273090, 10433440, 10604480, 16171832, 16436944, 18758720, 20214790, 20546180, 20866880, 32343664, 32873888, 40429580, 41092360, 62665849, 64687328, 65747776, 80859160, 82184720, 125331698, 129374656, 161718320, 164369440, 250663396, 313329245, 323436640, 328738880, 501326792, 626658490, 646873280, 1002653584, 1253316980, 2005307168, 2506633960, 4010614336, 5013267920, 10026535840, 20053071680]

約数ペア:

[(1, 20053071680), (2, 10026535840), (4, 5013267920), (5, 4010614336), (8, 2506633960), (10, 2005307168), (16, 1253316980), (20, 1002653584), (31, 646873280), (32, 626658490), (40, 501326792), (61, 328738880), (62, 323436640), (64, 313329245), (80, 250663396), (122, 164369440), (124, 161718320), (155, 129374656), (160, 125331698), (244, 82184720), (248, 80859160), (305, 65747776), (310, 64687328), (320, 62665849), (488, 41092360), (496, 40429580), (610, 32873888), (620, 32343664), (961, 20866880), (976, 20546180), (992, 20214790), (1069, 18758720), (1220, 16436944), (1240, 16171832), (1891, 10604480), (1922, 10433440), (1952, 10273090), (1984, 10107395), (2138, 9379360), (2440, 8218472), (2480, 8085916), (3782, 5302240), (3844, 5216720), (3904, 5136545), (4276, 4689680), (4805, 4173376), (4880, 4109236), (4960, 4042958), (5345, 3751744), (7564, 2651120), (7688, 2608360), (8552, 2344840), (9455, 2120896), (9610, 2086688), (9760, 2054618), (9920, 2021479), (10690, 1875872), (15128, 1325560), (15376, 1304180), (17104, 1172420), (18910, 1060448), (19220, 1043344), (19520, 1027309), (21380, 937936), (30256, 662780), (30752, 652090), (33139, 605120), (34208, 586210), (37820, 530224), (38440, 521672), (42760, 468968), (58621, 342080), (60512, 331390), (61504, 326045), (65209, 307520), (66278, 302560), (68416, 293105), (75640, 265112), (76880, 260836), (85520, 234484), (117242, 171040), (121024, 165695), (130418, 153760), (132556, 151280)]